Input: IEnumerable
Lamdbda expression: TSource => TResult or (TSource,int) => TResult
Query syntax: select projectionExpression
Select returns the same number of elements as the input.
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
class Program
{
static void Main()
{
string[] names = { "Java", "C#", "Javascript", "SQL", "Oracle", "Python", "C++", "C", "HTML", "CSS" };
IEnumerable query = from n in names select n.ToLower();
foreach(String s in query){
Console.WriteLine(s);
}
}
}
The output:
java
c#
javascript
sql
oracle
python
c++
c
html
css